Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230274 | Variable displacement hydraulic pump with quiet timing | Xudong Yu, Steven R. Feller | 1993-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230274 | Variable displacement hydraulic pump with quiet timing | Xudong Yu, Steven R. Feller | 1993-07-27 |